Kaufmann, R. R. v. (1986). Matching the impositions of the farming and research systems as a prelude to farming systems research. International Livestock Centre for Africa.
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Cita Chicago Style (17a ed.)
Kaufmann, Ralph R. von. Matching the Impositions of the Farming and Research Systems as a Prelude to Farming Systems Research. International Livestock Centre for Africa, 1986.
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Cita MLA (9a ed.)
Kaufmann, Ralph R. von. Matching the Impositions of the Farming and Research Systems as a Prelude to Farming Systems Research. International Livestock Centre for Africa, 1986.
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